The 40th International Symposium on the Okhotsk Sea & Polar Oceans
(Mombetsu-2026 Symposium)

OSPRA

  LinkIcon1st Circular 2026            LinkIconAppendix for Symposium 
 
  LinkIconWorkshop application form     

OUTLINE

  Schedule   

      • 15 (Sun) ---- Opening Ceremony: at Citizens’ Hall,  Special Lectures, Memorial Reception (Banquet)
      • 16 (Mon) - 18 (Wed) ---- Scientific Session: at Mombetsu Cultural Center, etc.
      • 16 (Mon) - 18 (Wed) ---- Public Program: at Mombetsu Cultural Center, etc.
      • 18 (Wed) ---- Children Symposium: at Citizens’ Hall
      • 19 (Thu) - 20 (Fri) ---- Excursion: Field study trip around Mombetsu and Lake Saroma

 Organized and sponsored

    • City of Mombetsu
    • Arctic Research Center, Hokkaido University (ARC)
    • National Institute of Polar Research (NIPR)
    • Kitami Institute of Technology (KIT)
    • Institute of Low Temperature Science, Hokkaido University (ILTS)
    • Tokai University, Hokkaido Campus
    • Tokyo University of Marine Science and Technology
    • Tokyo University of Agriculture -Okhotsk Campus
    • Graduate School of Fisheries Sciences, Hokkaido University
    • Field Science Center for Northern Biosphere, Hokkaido University
    • Atmosphere and Ocean Research Institute, The University of Tokyo (AORI)
    •                and more (The institutions listed are planned)


 Method

  •    ・Scientific sessions will be a face-to-face meeting. real-time oral presentation.
  •     If you cannot come to Mombetsu (just Russian scientists) but would like to make a presentation,
  •     please let us know by email.

  

   

TOPICS


<Scientific Sessions>

  • 1) Environment of Okhotsk Sea and Polar Oceans
  • 2) Meteorology and Oceanography in Polar Regions
  • 3) Marine Biology and Fisheries
  • 4) Cold Region Engineering
  • 5) Arctic Sea Routes
  • 6) Global Warming and Environmental Change
  • 7) Remote Sensing
  • 8) Snow, Ice and Human Life
  • 9) Other Topics  
    • Special workshops or meetings are available.

<Workshop>  **Presentations are only available to group members. Other sessions will accept presentations.

  • ・Next-Generation Observations and Modeling for Integrated Approaches to Polar Climate Change
      • (Convener, Jun Inoue, National Institute of Polar Research)
  • ・Exploring the Potential of AI and Machine Learning for Sea Ice Research
      • (Convener, Jun Ono, National Institute of Polar Research)
  • ・The changing ice-covered ocean and new utilization
      • (Convener, Takuji Wasada, The University of Tokyo and Akihisa Konno, Kogakuin University)
  • ・Interactions between the Antarctic Ice Sheet and the Global Climate System
      • (Convener, Masashi Machida, Hokkaido University))
  • ・Career Development for Young Researchers in Arctic and Antarctic Research
      • (Convener, Shin Sugiyama, Hokkaido University)
  • ・The Okhotsk Sea: Unique Weather and Climate Generated by the Earth’s Cool Spot
      • (Convener, Meiji Honda, Niigata University))
  • ・Arctic Policy through Science and Human Activity
      • (Convener, Sakiko Hataya and Natsuhiko Otsuka, Sasakawa Peace Foundation)
  • ・Plankton Ecology in Cold Regions: From Molecules to Ecosystems
      • (Convener, Junya Hirai, The University of Tokyo)
  • ・Current situation and issues of studies on stock management and stock enhancement in Hokkaido, Japan
      • (Convener, Nobukazu Sato Hokkido Research Organization)
  • ・Seabirds and Marine Mammals in Response to Environmental and Social Change
      • (Convener, Yuta Sakuragi, Kyoto University)
  • **Arctic Governance at a Crossroads: Understanding Change and Exploring the Future
      • (Convener, Hajime Kimura, JAMSTEC)

DEADLINES  

  ◆ Workshop proposal: 7 November 2025
       If you would like to make a workshop, please submit a title and content.

  ◆ General: 9 December 2025 --- Short Summary (200 words)  *The deadline has been extended from December 1st.
        13 January 2026 --- Final Manuscript (Max 4 pages)

  ◆ Article: 10 November 2025 -- Manuscript (Max 6 pages, Camera-ready)
     Cold region technology and others Article papers are refereed by two reviewers,
     printed in proceedings, and opened in the Symposium website as Okhotsk Sea
     and Polar Oceans Research (OSPOR), Vol. 10 (2026).
   

CALL FOR PAPERS 

 I. Short Summary for classification to make up the program
           Authors should submit a short summary of 100 - 200 words by 1 December 2025.

  

 II. Final Manuscript for the Proceedings (Max 4 pages, Camera-ready)
            Manuscript should be sent to momsys(at)okhotsk-mombetsu.jp by 13 January 2026.
           The instructions are on the Symposium website.

 OFFICIAL LANGUAGE of the Symposium will be English. Japanese is available for Workshop and citizen
               programs. No simultaneous translation services. 

     Registration URL: https://forms.gle/p7gXABRqn4Ar8WEo8   

THE AOTA MASAAKI AWARD IN 2026

 The award was established in 2014 to honor the memory of the late Professor Masaaki Aota by presenting an award to the best presentation(s) by young scientist(s). Candidates must fulfill the following requirements:

  • 1)The presenter is under 40 years of age.
  • 2)The abstract must be published in the Proceedings of the International Symposium on Okhotsk Sea & Polar Oceans.
  • 3)Candidates have to be nominated by themselves or by someone else.
  • 4)Candidates have not previously been given the Aota Masaaki Award.
  • 5)Candidates have to attend the prize-awarding ceremony.

Field Study (Excursion)

Saromako yurinkan
Field study trip around Mombetsu

    • ・Thursday 19 - Firday 20 Feb.
    • ・Fee:20,000-yen
    • ・Accommodation : Saromako Yurinkan Saroma Lakeside
      • Minimum number of participants: 5
      • The trip will be canceled if there are fewer than 5 participants.

COSTS

    • Registration: General: 7,000-yen, Students: 2,000-yen         
    • Printed Proceedings: 5,000-yen
    • Dinner party:
      • 1. Memorial Reception (Banquet), 5,000-yen/ Sun 15 Feb.  at Mombetsu Citizens’ Hall 
      • 2. Dinner Party with Volunteer Groups, 4,000-yen/ Tue 17 Feb. at Mombetsu Central Hotel
    • Filed Sutdy: 20,000-yen/ Thu 19 Feb. - Fri 20 Feb.

TRANSPORTATION                               

    • Tokyo (Haneda) to Mombetsu (1 h 50 min): 1 flight/day
    • Sapporo to Mombetsu (4 h 40 min): 4 buses/day
    • Memanbetsu Airport (4 flights from Haneda) to Mombetsu: 2 hours by car

INFORMATION ON TRAVEL & ACCOMMODATIONS MOMBETSU SYMPOSIUM 2026

      Tobu Toptours (travel agency) will assist you in air ticket and hotel reservation.  
    

Information on Travel & Accommodations  

PUBLICK PROGRAM : in Japanese Language only

    • 1) Our Home Okhotsk Sea, Monday, 16 Feb.
    • 3) Consideration of Winter Weather Disasters in the Okhotsk Region, Tuesday, 17 Feb.
    • 4) Symposium on the Forest-Ocean Linkage, Wednesday, 18 Feb.
    • 5) Symposium on Sea Ice for Children, Wonder of Sea ice, Wednesday, 18 Feb.
    • 6) The Okhotsk Terroir Symposium, Wednesday, 18 Feb.